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Finding the Third Proportional to 297,687.75 and 447,202.50

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Solution

The third proportional to 297,687.75 and 447,202.50 is: 671,811.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,687.75 : 447,202.50 = 447,202.50 : x
  2. Step 2: Convert to fraction form
    297,687.75/447,202.50 = 447,202.50/x
  3. Step 3: Cross multiply
    297,687.75x = 447,202.50 × 447,202.50
  4. Step 4: Simplify right side
    297,687.75x = 199,990,076,006.25
  5. Step 5: Solve for x
    x = 199,990,076,006.25/297,687.75
  6. Step 6: Final answer
    x = 671,811.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.